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Executive Secretariat

Signature Blocks of NIH and HHS Officials

Signature blocks are for letters to be signed by the official. For memoranda, use only the signer’s name since their title appears in the FROM line of the memoranda’s heading. See more guidance on preparing letters and memoranda at Writing Tips and Examples.

NIH Officials

For NIH Officials, use NIH Letterhead.

Preferred signature blocks for current NIH Director and NIH Deputy Director:

Sincerely yours,

Francis S. Collins, M.D., Ph.D.


Lawrence A. Tabak, D.D.S., Ph.D.
Principal Deputy Director

Secretary, HHS

All letters and memos should be submitted in Times New Roman 12 pt.

Confirmation of a new HHS Secretary is currently pending.

This page last reviewed on February 5, 2021

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